<template>
    <div class="wxb-editor">
        <photos :show-photo="shwoPhoto" v-model="shwoPhoto" @select="uploadSuccess"></photos>
        <quill-editor
            :value="content"
            ref="myQuillEditor"
            :options="editorOption"
            @blur="onEditorBlur($event)"
            @focus="onEditorFocus($event)"
            @change="onEditorChange($event)"
        ></quill-editor>
    </div>
</template>
<script>
// 工具栏配置
import Photos from "upload/Photos";

const toolbarOptions = [
    ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线
    ["blockquote", "code-block"], // 引用  代码块
    [{ list: "ordered" }, { list: "bullet" }], // 有序、无序列表
    [{ script: "sub" }, { script: "super" }], // 上标/下标
    [{ indent: "-1" }, { indent: "+1" }], // 缩进
    // [{'direction': 'rtl'}],                         // 文本方向
    [{ size: ["small", false, "large", "huge"] }], // 字体大小
    [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题
    [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色
    [{ font: [] }], // 字体种类
    [{ align: [] }], // 对齐方式
    ["clean"], // 清除文本格式
    ["image", "video"], // 链接、图片、视频
];

import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
import "quill/dist/quill.bubble.css";
import Quill from 'quill';
import { quillEditor } from 'vue-quill-editor';
import ImageResize from 'quill-image-resize-module';  //添加
import { ImageDrop } from 'quill-image-drop-module'; // 拖动加载图片组件
Quill.register('modules/imageDrop', ImageDrop);  //添加
Quill.register('modules/imageResize', ImageResize);  //添加

export default {
    name: 'HtmlEditor',
    props: {
        /*编辑器的内容*/
        value: {
            type: String
        },
    },
    components: {
        Photos,
        quillEditor
    },
    computed: {
        content() {
            return this.value;
        },
    },
    data() {
        var that = this;
        return {
            shwoPhoto: false,
            quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
            editorOption: {
                theme: "snow", // or 'bubble'
                placeholder: "您想说点什么？",
                modules: {
                    imageDrop: true, // 拖动加载图片组件。
                    imageResize: {   //添加
                        displayStyles: {   //添加
                            backgroundColor: 'black',
                            border: 'none',
                            color: 'white'
                        },
                        modules: ['Resize', 'DisplaySize', 'Toolbar']   //添加
                    },
                    toolbar: {
                        container: toolbarOptions,
                        handlers: {
                            image: function (value) {
                                if (value) {
                                    that.shwoPhoto = true;
                                    // 触发input框选择图片文件
                                    // document.querySelector(".avatar-uploader input").click();
                                } else {
                                    this.quill.format("image", false);
                                }
                            },
                        }
                    }
                }
            },
            header: {}
        };
    },

    created() {

    },

    methods: {
        onEditorBlur() {
            //失去焦点事件
        },
        onEditorFocus() {
            //获得焦点事件
        },
        onEditorChange(val) {
            this.$emit("input", val.html);
        },

        uploadSuccess(res) {
            console.log(res);
            // res为图片服务器返回的数据
            // 获取富文本组件实例
            let quill = this.$refs.myQuillEditor.quill;
            let length = quill.getSelection() ? quill.getSelection().index : 0;
            quill.insertEmbed(length, "image", res);
            // 调整光标到最后
            quill.setSelection(length + 1);
            this.quillUpdateImg = false;
        },

    },


};

</script>

<style>
.wxb-editor {
    width: 375px;
    height: 100%;
}

.ql-container {
    height: 500px;
    overflow-y: auto;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
    content: "请输入视频地址:";
}

.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
    border-right: 0;
    content: "保存";
    padding-right: 0;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
    content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
    content: "14px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
    content: "10px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
    content: "18px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
    content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
    content: "文本";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
    content: "标题1";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
    content: "标题2";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
    content: "标题3";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
    content: "标题4";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
    content: "标题5";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
    content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
    content: "标准字体";
}

.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
    content: "衬线字体";
}

.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
    content: "等宽字体";
}
</style>
